252535966731 has 16 divisors (see below), whose sum is σ = 374494550400. Its totient is φ = 168192074664.

The previous prime is 252535966693. The next prime is 252535966751. The reversal of 252535966731 is 137669535252.

252535966731 is a `hidden beast` number, since 2 + 525 + 3 + 59 + 6 + 67 + 3 + 1 = 666.

It is not a de Polignac number, because 252535966731 - 2¹⁹ = 252535442443 is a prime.

It is a super-2 number, since 2×252535966731² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252535966751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4561881 + ... + 4616906.

It is an arithmetic number, because the mean of its divisors is an integer number (23405909400).

Almost surely, 2^252535966731 is an apocalyptic number.

252535966731 is a deficient number, since it is larger than the sum of its proper divisors (121958583669).

252535966731 is a wasteful number, since it uses less digits than its factorization.

252535966731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179815 (or 9179809 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 54.

The spelling of 252535966731 in words is "two hundred fifty-two billion, five hundred thirty-five million, nine hundred sixty-six thousand, seven hundred thirty-one".